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The double loop hys...
The double loop hysteresis in DC dependent dielectric permittivity of SrTiO3
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- Gevorgian, Spartak, 1948 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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Eriksson, Anders, 1972 (författare)
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Deleniv, Anatoli, 1969 (författare)
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(creator_code:org_t)
- AIP Publishing, 2002
- 2002
- Engelska.
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Ingår i: Journal of Applied Physics. - : AIP Publishing. - 0021-8979 .- 1089-7550. ; 92, s. 6165-6171
- Relaterad länk:
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Experimental double loop hysteresis in dc field dependent dielectric permittivity in bulk single crystal SrTiO3 is reported. Small signal measurements of the permittivity are performed in the frequency range 0.5-1.5 GHz at temperatures below 77 K using electrically thin circular parallel-plate resonators. The dielectric permittivity is extracted form the measured resonant frequency. The double loop hysteresis may be caused by field induced local paraelectric/ferroelectric phase transitions, and/or switching (polarization reversal) in local opposing ferroelectric domains associated with symmetry breaking impurities/structural defects.
Ämnesord
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
Nyckelord
- Ferroelectric Switching
- Permittivity
- Dielectric Hysteresis
- Ferroelectric Transitions
- Ferroelectric Materials
- Electric Domains
- Strontium Compounds
- Dielectric Resonance
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